package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Scanner;

public class JDBCDemo7 {
    public static void main(String[]args){
        Scanner scanner = new Scanner(System.in);
        System.out.println("欢迎登录");
        System.out.println("请输入账号");
        String username = scanner.nextLine();
        System.out.println("请输入密码");
        String password = scanner.nextLine();
        try(Connection connection = DBUtil.getConnection();) {
            String sql = "SELECT id,username,password,nickname,age "+
                         "FROM user "+
                         "WHERE username=? AND password=?";
            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setString(1,username);
            ps.setString(2,password);
            ResultSet rs = ps.executeQuery();
            if(rs.next()){
                System.out.println("登陆成功");
            }else{
                System.out.println("登录失败");
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
